Finding the Fourth Proportional to 2,386,105.70, 3,292,798.19 and 1,298,358.53
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Solution
The fourth proportional to 2,386,105.70, 3,292,798.19 and 1,298,358.53 is: 1,791,719.71
Step by Step Solution
- Step 1: Write the proportion equation
2,386,105.70 : 3,292,798.19 = 1,298,358.53 : x - Step 2: Convert to fraction form
2,386,105.70/3,292,798.19 = 1,298,358.53/x - Step 3: Cross multiply
2,386,105.70x = 3,292,798.19 × 1,298,358.53 - Step 4: Simplify right side
2,386,105.70x = 4,275,232,625,469.26 - Step 5: Solve for x
x = 4,275,232,625,469.26/2,386,105.70 - Step 6: Final answer
x = 1,791,719.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.